80319720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51487}}^1$

素因数の和:51514

約数の個数: 64

約数和(自身を含む): 259499520

約数和(自身を除く): 179179800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 51487, 102974, 154461, 205948, 257435, 308922, 411896, 514870, 617844, 669331, 772305, 1029740, 1235688, 1338662, 1544610, 2007993, 2059480, 2677324, 3089220, 3346655, 4015986, 5354648, 6178440, 6693310, 8031972, 10039965, 13386620, 16063944, 20079930, 26773240, 40159860, 80319720]

約数ペア:

[(1, 80319720), (2, 40159860), (3, 26773240), (4, 20079930), (5, 16063944), (6, 13386620), (8, 10039965), (10, 8031972), (12, 6693310), (13, 6178440), (15, 5354648), (20, 4015986), (24, 3346655), (26, 3089220), (30, 2677324), (39, 2059480), (40, 2007993), (52, 1544610), (60, 1338662), (65, 1235688), (78, 1029740), (104, 772305), (120, 669331), (130, 617844), (156, 514870), (195, 411896), (260, 308922), (312, 257435), (390, 205948), (520, 154461), (780, 102974), (1560, 51487)]